President Barack Obama hosted David Karp, CEO and co-founder of Tumblr, and some special Tumblr guests at the White House on Tuesday to chat about issues surrounding college, education and student loans.

Tagged online with the #ObamaIRL hashtag, Karp moderated the conversation and asked questions from Tumblr users — of which more than 40% are between the ages of 18 and 34 — many of whom are directly affected by the current state of student loans and college affordability.

In between the President's advice for students, backstage fist bumps with Karp and talking about his administration's announcement about extending the Pay As You Earn student loan repayment program, Obama offered up some truly RL moments — making jokes and waxing poetic about life.

In case you missed the #ObamaIRL Tumblr Q&A, we've selected the best moments from the conversation, which took place in Obama's "rental home" (you may know it as the White House).

10. Obama on following your passions

"The main advice I would give young people starting off though is, ultimately, you're going to do best at something you care deeply about. Some people have probably heard this said before, but if you really enjoy what you do, the line between work and play starts vanishing a little bit. You still have to grind it out, but you can get into that mindset where the creativity or the effort and the sweat that you're putting into what you do doesn't feel like a burden. It feels like an expression of what you care about."

9. On careers

"I think your career isn't going to be a straight line all the time. I think there may be times where you have to take a detour and do something practical to pay the bills. There are going to be times where you see an opportunity and you're making a calculated risk that I'm going to start some whacky company called Tumblr."

8. On Tumblr users' eclectic usernames

While Karp had the real names of the Tumblr users who asked questions, some he did not. So when "haikumoon's" question came up, the President took it in stride, though it made for a particularly un-presidential sentence.

"Well, one of the things ..."haikumoon" is alluding to is ..."

7. On students taking control of their education and his early college years

"At some point it's up to a young person to drive that education. It's not inevitable that you fasten your seatbelt and go on a ride for four years or two years."

"I have to say, in my own college experience, I think the first two years I was there thinking, 'I'm having fun' and I'll just go through the motions."

6. On Sasha's 13th birthday and being able to use Tumblr, in accordance with its TOS

5. On David Karp

"You wouldn't know it, but you're like Lebron or Durant. You don't have the same physiques, but there are only going to be so many Zuckerbergs or Gates's who are able to short circuit the traditional path."

4. On why he was a humanities major

"I actually loved math and science until I got to high school. I misspent those years. And the thing about the humanities is you could talk you way through classes, which you couldn't do in math or science, right?"

3. On his house

"Well, it's only a rental house. The lease ends in about two and half years."

2. On where he sees himself in ten years

"I know what I'll do right after the next president's inaugurated. I'll be on a beach somewhere ... drinking out of a coconut."

1. On the state of gun violence in the U.S.

The chat took a more serious turn at one point, when a student at the University of California, Santa Barbara, who had been directly affected by the recent mass shooting there, asked what could be done about gun violence.

"People ask me what I’m proudest of and what are my biggest frustrations as President. My biggest frustration is the fact that this society hasn’t been willing to take some basic steps to keep guns out of the hands of people who can do unbelievable damage. We’re the only developed country on Earth where this happens. And it happens now once a week. And it's a one day story. There's no place else like this."

"Our levels of gun violence are off the charts. There's no advanced, developed country on Earth that would put up with this."

"If public opinion does not demand change in Congress, it will not change."

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